CN109370288A - A kind of wood materials expanded water-based fireproof anti-flaming dope and preparation method thereof - Google Patents
A kind of wood materials expanded water-based fireproof anti-flaming dope and preparation method thereof Download PDFInfo
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- CN109370288A CN109370288A CN201811273450.2A CN201811273450A CN109370288A CN 109370288 A CN109370288 A CN 109370288A CN 201811273450 A CN201811273450 A CN 201811273450A CN 109370288 A CN109370288 A CN 109370288A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
- C09D5/185—Intumescent paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic and acyclic or carbocyclic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The present invention relates to a kind of wood materials expanded water-based fireproof anti-flaming dope and preparation method thereof, which includes the component of water and following parts by weight: 200 parts of cyanurotriamide modified urea resin lotion, 110-120 parts of ethylene-vinyl acetate copolymer emulsion, 20-24 parts of boric acid, 36-38 parts of polyphosphoric acid amine, 20-24 parts of guanylurea phosphate, 36-40 parts of pentaerythrite, 30-34 parts of melamine, 1.0-1.4 parts of sulfonation charcoal, 3.6-4.0 parts of zinc borate, 2.0-2.4 parts of ammonium octamolybdate, 16-20 parts of coating additive, 0-44 parts of pigments and fillers.The expanded water-based fireproof anti-flaming dope can the significantly burning of sluggish wood materials in thermal histories, inhibit fire spread；With good smoke-suppressing, the time that flue gas can be delayed to generate, the burst size of flue gas and the generation of toxic gas is reduced, provides more safety times and space for the escape and rescue of personnel under Fire Conditions.
Description
Technical field
The invention belongs to technical field of aqueous paint, and in particular to a kind of fire-retardant painting of wood materials expanded water-based fireproof
Material, also relates to the preparation method of above-mentioned wood materials expanded water-based fireproof anti-flaming dope.
Background technique
Wood materials have the advantages that environmentally friendly, nontoxic, processability is strong, reproducible, are widely used in furniture, building and interior
The fields such as decorations.But untreated wood materials not fire resisting, it is inflammable and have kindling aggressiveness, can improve using field
Fire risk, there are serious security risks.In order to effectively reduce the generation of fire, country has formulated a series of method
Laws & Regulations and safety standard, it is desirable that reach corresponding fire-retardant rank in the material product that building, interior or public place use,
This requires wood materials used to have better fire retardant performance.Anti-flaming dope is covered in wooden material surface, is inhibited
Its flammability promotes its fire endurance, is a kind of more effective flame retardant treatment skill so that the generation of fire be reduced or avoided
Art.Anti-flaming dope is coated in the combustible materials matrix surfaces such as solid wood, fiberboard, particieboard, and being formed, there is fire protection flame retarding protection to apply
Film can be isolated flame, postpone substrate ignitor firing time, delay spread speed, prevention or the sluggish fire of flame on the surface of the material
Sprawling, have the characteristics that easy to operate, adaptable, application space is boundless.
Anti-flaming dope can be divided into water paint and solvent based coating by its decentralized medium difference, and wherein solvent based coating is being applied
The volatilization of working hour solvent, easily pollutes the environment, does harm to huamn body；And the water paint using water as decentralized medium has
The features such as green, health, environmental protection, have become the trend and direction of coating industry development.Anti-flaming dope is divided again by combustion characteristics
For intumescent paints and non-expansion type anti-flaming dope.Wherein intumescent paints film forming after, under room temperature with common paint film
It is no different, but under flame or high temperature, coating acutely foams charing, is formed than the former nonflammable foam for applying thickness tens to hundred times
Charring layer, thermal coefficient is low, prevents the transmitting of heat, effective starvation；Decomposition reaction simultaneously releases non-flammable gases (water
Steam, ammonia, carbon dioxide etc.), imflammable gas is watered down, to slow down or prevent the conduction of heat and the sprawling of flame.It is swollen
The original coating of swollen type anti-flaming dope is relatively thin (generally no greater than 1mm), meets finishing requirements, and in contrast cost is relatively low, fire prevention
Good heat-insulation effect is gradually developed in recent years.
Intumescent paints system is generally made of acid source, charcoal source, gas source and painting film resin, in the case of fire rapidly
Foamable reaction forms charcoal protective layer and discharges non-flammable compressive gas, plays the effect of its fire protection flame retarding.But in anti-flaming dope expansion process
In, with the release of a large amount of non-flammable compressive gases, film layer is also heated and releases a large amount of flue gases and toxic gas, including smoke particle object,
CO etc. seriously affects disaster affected people and the health and life security of disaster relief personnel, interferes evacuating personnel and rescue action.Cause
This reduces the life smoke of intumescent paints, improves its smoke-suppressing, be desirable how on the basis of effective fire protection flame retarding
The technical issues of solution.
Summary of the invention
The object of the present invention is to provide a kind of wood materials expanded water-based fireproof anti-flaming dopes, have good fire prevention
Anti-flammability and smoke-suppressing.
A second object of the present invention is to provide a kind of above-mentioned wood materials expanded water-based fireproof anti-flaming dopes
Preparation method.
To achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of wood materials expanded water-based fireproof anti-flaming dope, the component including water and following parts by weight: trimerization
200 parts of cyanamide modified urea-formaldehyde resin lotion, 110-120 parts of ethylene-vinyl acetate copolymer emulsion, 20-24 parts of boric acid, polyphosphoric acid
36-38 parts of amine, 20-24 parts of guanylurea phosphate, 36-40 parts of pentaerythrite, 30-34 parts of melamine, 1.0-1.4 parts of sulfonation charcoal,
3.6-4.0 parts of zinc borate, 2.0-2.4 parts of ammonium octamolybdate, 16-20 parts of coating additive, 0-44 parts of pigments and fillers.
The solid content of the coating is 48%-52%.
The solid content of the cyanurotriamide modified urea resin lotion is 50%.
The solid content of the ethylene-vinyl acetate copolymer emulsion (EVA lotion) is 45%；Ethene-vinyl acetate copolymerization
In object, the content of vinyl acetate is 70%-75%.
The coating additive includes coalescing agent, dispersing agent, defoaming agent, wetting agent, thickener and levelling agent, the film forming
The mass ratio of auxiliary agent and dispersing agent, defoaming agent, levelling agent is 10:(1.0-1.5): (1.0-2.0): (1.0-1.5): (2.0-
3.0): (1.0-2.0).
The coalescing agent is the mixture that the mass ratio of dipropylene glycol methyl ether and N-Methyl pyrrolidone is 1.5:1.
The pigments and fillers are the mixture of titanium dioxide or oxide powder and zinc or other pigment and filler.Available pigment packet
Include but be not limited to carbon black, iron oxides inorganic pigment, phthalocyanine blue, ultramarine, phthalocyanine green, toluidines purple etc.；Available filler includes
But be not limited to calcium carbonate, barium sulfate, mica powder, kaolin, talcum powder, diatomite, silica etc..It is mixed by pigment and filler
In pigments and fillers made of conjunction, the mass percent of filler is no more than 30%.
Preferably, the parts by weight of the pigments and fillers are 26-40 parts；It is further preferred that the parts by weight of the pigments and fillers
Number is 34-38 parts.
The vulcanization charcoal is prepared by following methods: according to mass ratio being 1:3.5-4.0 by active carbon and oleum
Ratio mixing, it is cooling simultaneously to wash to neutrality under the conditions of 75 DEG C -85 DEG C after sulfonation 1.5-2.5h, be drying to obtain.
The degree of polymerization of the ammonium polyphosphate is not less than 1000.
A kind of preparation method of above-mentioned wood materials expanded water-based fireproof anti-flaming dope, comprising the following steps:
1) the cyanurotriamide modified urea resin lotion of formula ratio is mixed with ethylene-vinyl acetate copolymer emulsion, is obtained
Film forming binder；
It takes the boric acid of formula ratio, pentaerythrite to be added in suitable quantity of water, the phosphoric acid amidino groups of formula ratio is added after being uniformly dispersed
Urea, ammonium polyphosphate, be uniformly dispersed to obtain expandable flame retardant premix；
It takes the sulfonation charcoal, zinc borate and ammonium octamolybdate of formula ratio to be added in suitable quantity of water, it is pre- that synergistic suppression cigarette is obtained after being uniformly dispersed
Mixing；
The film coalescing aid of formula ratio is taken to be added in suitable quantity of water, be uniformly dispersed to obtain auxiliary agent premix；
Take formula ratio pigments and fillers be added suitable quantity of water in, be uniformly dispersed face fills out premix；
2) expandable flame retardant premix obtained by step 1) is mixed with synergistic suppression cigarette premix, smoke-inhibiting flame retardant is obtained after being uniformly dispersed
Premix；
3) face obtained by step 1) is first filled out premix to mix with auxiliary agent premix, suppression obtained by step 2) is added after being uniformly dispersed
The fire-retardant premix of cigarette, mixes with film forming binder again after being uniformly dispersed, and adjusts solid content and is uniformly dispersed to get the wood materials
With expanded water-based fireproof anti-flaming dope.
In step 1), the solid content of premix is not less than 55%.Preferably, the solid content of the premix is 55%-
60%.
Wood materials of the invention expanded water-based fireproof anti-flaming dope, it is (cyanurotriamide modified with water-compatible amino resin
Lauxite) it is main film forming substance, it can not only make film that there is good water resistance, weatherability, also because wherein containing trimerization
Cyanamide ingredient, can during film is thermally decomposed into charcoal foaming and intumescing, to reduce the use of free state melamine in coating
Amount.The present invention is modified amino resins using ethylene-vinyl acetate copolymer emulsion flexible, and it is excellent to assign film forming matter
Toughness, to improve the toughness and crack resistance of film.
Wood materials of the invention expanded water-based fireproof anti-flaming dope, in ammonium polyphosphate, pentaerythrite and melamine
On the basis of the basic Intumescent Retardant System of amine composition, to prevent the too fast solidification melamine modified urea-formaldehyde tree of excessive ammonium polyphosphate
Rouge is used as dehydration catalyst using boric acid and guanylurea phosphate substitution part ammonium polyphosphate, on the one hand alleviates ammonium polyphosphate
Too fast solidification to cyanurotriamide modified urea resin, enables coating storage-stable, transports and formation surface is smooth after application
Smooth film；On the other hand, guanylurea phosphate can effectively capture the harmful substances such as the free formaldehyde in resin, improve coating and produce
The environment-friendly type of product；A small amount of boric acid can gradually float on the surface of film during curing of coating, be thermally decomposed into charcoal in film
Fine and close barrier layer is quickly formed on surface during foaming and intumescing, heat transfer and gas exchanges are prevented, thus and other components
Synergistic flame-retardant smoke inhibition.It is swollen that phosphorus-nitrogen-boron ternary is formed by boric acid, ammonium polyphosphate, guanylurea phosphate, pentaerythrite and melamine
Swollen type flame-retardant system, boric acid, ammonium polyphosphate, guanylurea phosphate are composite dewatering catalyst, and pentaerythrite is carbon forming agent, melamine
Amine is main foaming agent, foaming agent supplemented by cyanurotriamide modified urea resin, and film is thermally decomposed into charcoal foaming and intumescing, is foamed good
Good, the charcoal layer height of formation is high and continuous, surface is hard, inside solid, and can firmly be bonded on wood materials (substrate),
With good trap heat and isolation combustion-supporting gas effect.
Wood materials of the invention expanded water-based fireproof anti-flaming dope, it is fire-retardant in above-mentioned phosphorus-nitrogen-boron Ternary Expansive
On the basis of system, compound to form synergistic smoke suppressant with ammonium octamolybdate using sulfonation charcoal, zinc borate.Wherein, sulfonation charcoal has sulphur
Change group, there is good adsorptivity and catalytic activity；The catalytic activity of sulfonation charcoal can promote material at low temperature to act at charcoal, material
After solidifying in advance at charcoal, material at high temperature degradation and unburnt generation can be inhibited, so that the heat of material be effectively reduced
Release, so that high temperature degradation substance such as flue dust, CO, CO2It reduces, inhibits the release of flue gas, reduce the generation of toxic gas.Due to
The catalysis carbon-forming of sulfonation charcoal acts on, so that film is heated to reduce foaming that the foamed char to be formed is harder, structure is finer and close,
It is more preferable to completely cut off effect；Contain minimal amount of S in layer of charcoal, catalyzing factor largely remains in layer of charcoal, only minute quantity with
Burning with SO2Form is spilt into air, will not be to human body and environmental effects.Zinc borate is cooperateed with boric acid, is easily being applied
Float on film coated surface in layer solidification process, be attached to surface by thermosetting glassy state inorganic layer, promote charcoal production, formed it is hard every
Exhausted layer, completely cuts off the contact with air, effectively presses down cigarette suppression and glows.Ammonium octamolybdate also has good flame-retardant smoke inhibition effect, with boron
Sour zinc, sulfonation charcoal synergistic effect, are acted on by metal bonding and reductive coupling, it would be possible to form the parent jail of aromatic series smoke point
Admittedly being bonded in metal-aromatic series compound, promote formation class containing metal, oxygen-containing class heterocycle, the heterocycle of class containing S, carbohydrate structure more
Charcoal, and cannot be cyclized to form aromatic series benzene cyclic compound, reduce flue gas release, to have good smoke suppressing effect.
Wood materials of the invention expanded water-based fireproof anti-flaming dope, in cyanurotriamide modified urea resin base coating
On the basis of, the Intumescent Retardant System and sulphur that are compounded using boric acid, ammonium polyphosphate, guanylurea phosphate, pentaerythrite, melamine
It is fire-retardant to change charcoal, zinc borate, the suppression smoke system synergistic of ammonium octamolybdate composition.Through detecting, using expanded water-based fireproof of the invention
The limit oxygen index of the wood materials of anti-flaming dope coating reaches 43% or more, belongs to fire retardant rank, illustrates expansion of the invention
Type water-based fireproof anti-flaming dope can play the effect of the heat-insulated and starvation of Intumscent Flame Retardant System well, have good
Fire retardant performance.The wood materials coated using expanded water-based fireproof anti-flaming dope of the invention are in calorimetric experiment, point
The combustion time reaches 650s or more, and considerably beyond using the sample without anti-flaming smoke-inhibiting agent coating and without coating sample, maximum heat is released
Efficiency is put no more than 93kW/m2, illustrate that expanded water-based fireproof anti-flaming dope of the invention can be in thermal histories significantly
The burning of sluggish wood materials reduces the rate that materials pyrolysis and volatile materials generate, and inhibits fire spread, fire is effectively reduced
The risk of calamity provides more permanent safety time for the escape and rescue of personnel under Fire Conditions.Using of the invention swollen
The most opium rate of release of the wood materials of swollen type water-based fireproof anti-flaming dope coating is no more than 0.0023m2/ s, total smoke release
No more than 0.21m2, while CO, CO2Burst size is also greatly reduced, and illustrates that expanded water-based fireproof anti-flaming dope of the invention has
Good smoke-suppressing, reduces the burst size of flue gas and the production of toxic gas at the time that flue gas can be delayed to generate when fire occurs
It is raw, reduce injury of the flue gas to human body.
The preparation method of wood materials of the invention expanded water-based fireproof anti-flaming dope, reasonable arrangement each raw material component
Feeding sequence and technical parameter, simple process is easy to operate；Gained coating finished product is without flocculation, precipitating and lamination, property
Stablize, resistance to long-time storage and transport, is suitble to promote the use of.
Specific embodiment
The present invention is described further With reference to embodiment.
In specific embodiment, cyanurotriamide modified urea resin lotion used is by cyanurotriamide modified urea resin rubber powder
It is mixed with water, solid content 50%；In synthesis, F/ (U+M) molar ratio is cyanurotriamide modified urea resin used
1.15:1, M/MUF mass ratio are 10%.The solid content of the ethylene-vinyl acetate copolymer emulsion (EVA lotion) is 45%,
The mass content of vinyl acetate is 75% in ethylene-vinyl acetate copolymer.Ammonium polyphosphate used is that the degree of polymerization is 1000 or more
II type ammonium polyphosphate, average degree of polymerization 1200.Water used is deionized water.
In coating additive used, the coalescing agent is that the mass ratio of dipropylene glycol methyl ether and N-Methyl pyrrolidone is
The mixture of 1.5:1.The dispersing agent is aqueous dispersion Disper-715 (Tego Digao), commercial goods.The defoaming agent
For BYK-019 defoaming agent (BYK chemistry), commercial goods.The wetting agent is Wet245 wetting agent (Tego Digao), commercially available quotient
Product.The thickener is hydroxyethyl cellulose, viscosity specification (2%, 25 DEG C of aqueous solutions) 50000mpas.The levelling agent is
Aqueous levelling agent Glidl450 (Tego Digao), commercial goods.Zinc borate used is that (formula ratio presses boron to 3.5 hydrate zinc borate of commodity
Sour zinc meter) powder, granularity is 2-3 μm.Ammonium octamolybdate used is powder, and granularity is 2-3 μm.
In specific embodiment, oleum used in preparation vulcanization charcoal is 40% oleum (quality containing sulfur trioxide point
Number 40%)；Active carbon used is merchandise active carbon powder, and granularity is 10-15 μm.
In specific embodiment, ball radius used in planetary ball mill used is 5mm.
In specific embodiment, to meet the requirements the solid content of final gained water-based fireproof anti-flaming dope, preparation method
In, rate-determining steps 1) solid contents of the various premixes of gained is not less than 55%.
Embodiment 1
The wood materials of the present embodiment expanded water-based fireproof anti-flaming dope is grouped by the group of water and following parts by weight
At: 200 parts of cyanurotriamide modified urea resin lotion, 110 parts of ethylene-vinyl acetate copolymer emulsion, 24 parts of boric acid, polyphosphoric acid
36 parts of amine, 20 parts of guanylurea phosphate, 36 parts of pentaerythrite, 30 parts of melamine, 1.4 parts of sulfonation charcoal, 3.6 parts of zinc borate, eight molybdenums
2.4 parts of sour ammonium, 18 parts of coating additive, 36 parts of pigments and fillers titanium dioxide；The solid content of the coating is 50%.
Wherein, the coating additive is made of coalescing agent, dispersing agent, defoaming agent, wetting agent, thickener and levelling agent,
The coalescing agent and the mass ratio of dispersing agent, defoaming agent, thickener, levelling agent are 10:1.3:1.2:1.5:2.5:1.5.
The sulfonation charcoal is prepared by following methods: the ratio for being 1:3.8 according to mass ratio by active carbon and oleum
Example mixing, under the conditions of 80 DEG C after sulfonation 1.5h, is cooled to room temperature and is washed with deionized to neutrality, be drying to obtain.
The preparation method of the wood materials of the present embodiment expanded water-based fireproof anti-flaming dope, comprising the following steps:
1) it takes the cyanurotriamide modified urea resin lotion of formula ratio to mix with ethylene-vinyl acetate copolymer emulsion, stirs
Mixing makes it be uniformly dispersed, and obtains film forming binder；
It takes the boric acid of formula ratio, pentaerythrite to be added in suitable quantity of water, the phosphoric acid amidino groups of formula ratio is added after being uniformly dispersed
Urea, ammonium polyphosphate, melamine, stirring make its expandable flame retardant premix that is uniformly dispersed to obtain；
Sulfonation charcoal, zinc borate, ammonium octamolybdate and the suitable quantity of water of formula ratio is taken to be placed in planetary ball mill, with 60r/min's
Revolving speed ball milling 40min makes it be uniformly dispersed, and obtains synergistic suppression cigarette premix；
The film coalescing aid of formula ratio is taken to be added in suitable quantity of water, stirring makes it be uniformly dispersed, and obtains auxiliary agent premix；
The pigments and fillers and suitable quantity of water for taking formula ratio are placed in planetary ball mill, are made with the revolving speed ball milling 30min of 100r/min
It is uniformly dispersed, and obtains face and fills out premix；
2) expandable flame retardant premix obtained by step 1) is mixed with synergistic suppression cigarette premix, with the revolving speed ball milling of 60r/min
40min makes its smoke-inhibiting flame retardant premix that is uniformly dispersed to obtain；
3) face obtained by step 1) is first filled out into premix and auxiliary agent premix is placed in planetary ball mill, with turning for 100r/min
Fast ball milling 30min makes it be uniformly dispersed, and smoke-inhibiting flame retardant premix obtained by step 2) is added, and continues ball milling 30min, adds film forming
Base-material, adjustment solid content are 50%, and continue ball milling 50min to being uniformly dispersed to get the wood materials with expanded water-based
Fireproof flame-retardant coating.
Embodiment 2
The wood materials of the present embodiment expanded water-based fireproof anti-flaming dope is grouped by the group of water and following parts by weight
At: 200 parts of cyanurotriamide modified urea resin lotion, 115 parts of ethylene-vinyl acetate copolymer emulsion, 22 parts of boric acid, polyphosphoric acid
38 parts of amine, 22 parts of guanylurea phosphate, 38 parts of pentaerythrite, 32 parts of melamine, 1.3 parts of sulfonation charcoal, 4.0 parts of zinc borate, eight molybdenums
2.0 parts of sour ammonium, 16 parts of coating additive, 34 parts of pigments and fillers titanium dioxide；The solid content of the coating is 51%.
Wherein, the coating additive is made of coalescing agent, dispersing agent, defoaming agent, wetting agent, thickener and levelling agent,
The coalescing agent and the mass ratio of dispersing agent, defoaming agent, thickener, levelling agent are 10:1.0:1.0:1.0:2.0:1.0.
The sulfonation charcoal is prepared by following methods: the ratio for being 1:3.5 according to mass ratio by active carbon and oleum
Example mixing, under the conditions of 85 DEG C after sulfonation 2.5h, is cooled to room temperature and is washed with deionized to neutrality, be drying to obtain.
The preparation method of the wood materials of the present embodiment expanded water-based fireproof anti-flaming dope, comprising the following steps:
1) it takes the cyanurotriamide modified urea resin lotion of formula ratio to mix with ethylene-vinyl acetate copolymer emulsion, stirs
Mixing makes it be uniformly dispersed, and obtains film forming binder；
It takes the boric acid of formula ratio, pentaerythrite to be added in suitable quantity of water, the phosphoric acid amidino groups of formula ratio is added after being uniformly dispersed
Urea, ammonium polyphosphate, melamine, stirring make its expandable flame retardant premix that is uniformly dispersed to obtain；
Sulfonation charcoal, zinc borate, ammonium octamolybdate and the suitable quantity of water of formula ratio is taken to be placed in planetary ball mill, with 100r/min's
Revolving speed ball milling 40min makes it be uniformly dispersed, and obtains synergistic suppression cigarette premix；
The film coalescing aid of formula ratio is taken to be added in suitable quantity of water, stirring makes it be uniformly dispersed, and obtains auxiliary agent premix；
The pigments and fillers and suitable quantity of water for taking formula ratio are placed in planetary ball mill, make it with the revolving speed ball milling 30min of 60r/min
It is uniformly dispersed, obtains face and fill out premix；
2) expandable flame retardant premix obtained by step 1) is mixed with synergistic suppression cigarette premix, with the revolving speed ball milling of 60r/min
40min makes its smoke-inhibiting flame retardant premix that is uniformly dispersed to obtain；
3) face obtained by step 1) is first filled out into premix and auxiliary agent premix is placed in planetary ball mill, with turning for 100r/min
Fast ball milling 30min makes it be uniformly dispersed, and smoke-inhibiting flame retardant premix is added, and continues ball milling 30min, adds film forming binder, adjusts
Solid content is 51%, and continues ball milling 50min to being uniformly dispersed to get the fire-retardant painting of wood materials expanded water-based fireproof
Material.
Embodiment 3
The wood materials of the present embodiment expanded water-based fireproof anti-flaming dope is grouped by the group of water and following parts by weight
At: 200 parts of cyanurotriamide modified urea resin lotion, 120 parts of ethylene-vinyl acetate copolymer emulsion, 20 parts of boric acid, polyphosphoric acid
38 parts of amine, 24 parts of guanylurea phosphate, 40 parts of pentaerythrite, 34 parts of melamine, 1.2 parts of sulfonation charcoal, 3.8 parts of zinc borate, eight molybdenums
2.2 parts of sour ammonium, 20 parts of coating additive, 38 parts of pigments and fillers titanium dioxide；The solid content of the coating is 52%.
Wherein, the coating additive is made of coalescing agent, dispersing agent, defoaming agent, wetting agent, thickener and levelling agent,
The coalescing agent and the mass ratio of dispersing agent, defoaming agent, thickener, levelling agent are 10:1.5:2.0:1.5:3.0:2.0.
The sulfonation charcoal is prepared by following methods: the ratio for being 1:4.0 according to mass ratio by active carbon and oleum
Example mixing, under the conditions of 75 DEG C after sulfonation 2.0h, is cooled to room temperature and is washed with deionized to neutrality, be drying to obtain.
The preparation method of the wood materials of the present embodiment expanded water-based fireproof anti-flaming dope, comprising the following steps:
1) it takes the cyanurotriamide modified urea resin lotion of formula ratio to mix with ethylene-vinyl acetate copolymer emulsion, stirs
Mixing makes it be uniformly dispersed, and obtains film forming binder；
It takes the boric acid of formula ratio, pentaerythrite to be added in suitable quantity of water, the phosphoric acid amidino groups of formula ratio is added after being uniformly dispersed
Urea, ammonium polyphosphate, melamine, stirring make its expandable flame retardant premix that is uniformly dispersed to obtain；
Sulfonation charcoal, zinc borate, ammonium octamolybdate and the suitable quantity of water of formula ratio is taken to be placed in planetary ball mill, with 100r/min's
Revolving speed ball milling 40min makes it be uniformly dispersed, and obtains synergistic suppression cigarette premix；
The film coalescing aid of formula ratio is taken to be added in suitable quantity of water, stirring makes it be uniformly dispersed, and obtains auxiliary agent premix；
The pigments and fillers and suitable quantity of water for taking formula ratio are placed in planetary ball mill, make it with the revolving speed ball milling 30min of 60r/min
It is uniformly dispersed, obtains face and fill out premix；
2) expandable flame retardant premix obtained by step 1) is mixed with synergistic suppression cigarette premix, with the revolving speed ball milling of 60r/min
40min makes its smoke-inhibiting flame retardant premix that is uniformly dispersed to obtain；
3) face obtained by step 1) is first filled out into premix and auxiliary agent premix is placed in planetary ball mill, with turning for 100r/min
Fast ball milling 30min makes it be uniformly dispersed, and smoke-inhibiting flame retardant premix is added, and continues ball milling 30min, adds film forming binder, adjusts
Solid content is 52%, and continues ball milling 50min to being uniformly dispersed to get the fire-retardant painting of wood materials expanded water-based fireproof
Material.
Experimental example 1
This experimental example uses wood materials obtained by embodiment 1-3 according to GB/T 12441-2005 " finishing fire retardant paint "
The basic performance of expanded water-based fireproof anti-flaming dope is detected, and the results are shown in Table 1.
The basic performance testing result of wood materials expanded water-based fireproof anti-flaming dope obtained by 1 embodiment 1-3 of table
As it can be seen from table 1 the properties of wood materials expanded water-based fireproof anti-flaming dope obtained by embodiment 1-3
Index is in the range of requirements of the national standard.The experimental results showed that present invention gained wood materials expanded water-based fireproof
Anti-flaming dope meets the fire-retardant approval test of product, belongs to the water-based fireproof anti-flaming dope haveing excellent performance.
Experimental example 2
This experimental example carries out wood materials obtained by embodiment 1-3 with the service performance of expanded water-based fireproof anti-flaming dope
Detection.Experiment content specifically:
Experimental group 1-3 is respectively to be coated in wood materials obtained by embodiment 1-3 with expanded water-based fireproof anti-flaming dope
On 100mm × 100mm × 5mm poplar plywood (sample) face, sample carries out polishing sanding in advance, guarantees that surface is smooth flat
It is whole, side edge sealing；Wet coated weight is 500g/m2.Sample is dried under room temperature, natural conditions to constant weight after coating the coating
(mass change is not more than 0.5% in for 24 hours), thickness of dry film is about 0.2mm, is then detected.
Control group 1 does not use any coating, for the poplar plywood (sample) coated without surface.
Water paint used in control group 2 is grouped as by the group of water and following parts by weight: cyanurotriamide modified urea resin
200 parts of lotion, 110 parts of ethylene-vinyl acetate copolymer emulsion, 60 parts of polyphosphoric acid amine, 20 parts of guanylurea phosphate, pentaerythrite 36
Part, 18 parts of coating additive, 36 parts of pigments and fillers titanium dioxide；The solid content of the coating is 50%.Remaining is the same as experimental group 1.
Every group of detection is repeated 3 times, and is averaged.The results are shown in Table 2.
The service performance testing result of wood materials expanded water-based fireproof anti-flaming dope obtained by 2 embodiment 1-3 of table
As it can be seen from table 1 compared with the control group, using wood materials expanded water-based fireproof obtained by embodiment 1-3
The limit oxygen index of experimental group sample of anti-flaming dope coating reaches 43% or more, belongs to fire retardant rank, illustrates of the invention swollen
Swollen type water-based fireproof anti-flaming dope can play the effect of the heat-insulated and starvation of Intumscent Flame Retardant System well, have good
Fire retardant performance.The experimental group sample that wood materials expanded water-based fireproof anti-flaming dope obtained by embodiment 1-3 coats
In calorimetric experiment, burning time reaches 650s or more, considerably beyond control group 1 (using the examination for being free of anti-flaming smoke-inhibiting agent coating
Sample) 138s and control group 2 (no coating sample) 23s, maximum heat release efficiency be not more than 93kW/m2, well below control
Group, illustrate expanded water-based fireproof anti-flaming dope of the invention can in thermal histories the significantly burning of sluggish substrate, drop
The rate that low materials pyrolysis and volatile materials generate, inhibits fire spread, the risk of fire is effectively reduced, and is Fire Conditions
The escape and rescue of lower personnel provides more permanent safety time.Compared with the control group, the most opium of experimental group 1-3 discharges speed
Rate is no more than 0.0023m2/ s, about the 10% of control group 1, total smoke release are no more than 0.21m2, about the 15% of control group 1；
CO, CO simultaneously2Burst size is also greatly reduced, and illustrates that expanded water-based fireproof anti-flaming dope of the invention has good suppression cigarette
Property, the time that flue gas can be delayed to generate when fire occurs, the burst size of flue gas and the generation of toxic gas are reduced, reduces flue gas
Injury to human body.
Claims (8)
1. a kind of wood materials expanded water-based fireproof anti-flaming dope, it is characterised in that: including water and following parts by weight
Component: 200 parts of cyanurotriamide modified urea resin lotion, 110-120 parts of ethylene-vinyl acetate copolymer emulsion, boric acid 20-24
Part, 36-38 parts of polyphosphoric acid amine, 20-24 parts of guanylurea phosphate, 36-40 parts of pentaerythrite, 30-34 parts of melamine, sulfonation charcoal
1.0-1.4 parts, 3.6-4.0 parts of zinc borate, 2.0-2.4 parts of ammonium octamolybdate, 16-20 parts of coating additive, 0-44 parts of pigments and fillers.
2. wood materials according to claim 1 expanded water-based fireproof anti-flaming dope, it is characterised in that: the coating
Solid content is 48%-52%.
3. wood materials according to claim 1 expanded water-based fireproof anti-flaming dope, it is characterised in that: the trimerization
The solid content of cyanamide modified urea-formaldehyde resin lotion is 50%.
4. wood materials according to claim 1 expanded water-based fireproof anti-flaming dope, it is characterised in that: the coating
Auxiliary agent includes coalescing agent, dispersing agent, defoaming agent, wetting agent, thickener and levelling agent, and the coalescing agent and dispersing agent disappear
Infusion, levelling agent mass ratio be 10:(1.0-1.5): (1.0-2.0): (1.0-1.5): (2.0-3.0): (1.0-2.0).
5. wood materials according to claim 4 expanded water-based fireproof anti-flaming dope, it is characterised in that: the film forming
Auxiliary agent is the mixture that the mass ratio of dipropylene glycol methyl ether and N-Methyl pyrrolidone is 1.5:1.
6. wood materials according to claim 1 expanded water-based fireproof anti-flaming dope, it is characterised in that: the vulcanization
Charcoal is prepared by following methods:
Active carbon and oleum are mixed according to the ratio that mass ratio is 1:3.5-4.0, sulfonation under the conditions of 75 DEG C -85 DEG C
After 1.5-2.5h, cooling is simultaneously washed to neutrality, is drying to obtain.
7. wood materials according to claim 1 expanded water-based fireproof anti-flaming dope, it is characterised in that: the poly- phosphorus
The degree of polymerization of sour ammonium is not less than 1000.
8. a kind of preparation side of such as wood materials expanded water-based fireproof anti-flaming dope of any of claims 1-7
Method, it is characterised in that: the following steps are included:
1) the cyanurotriamide modified urea resin lotion of formula ratio is mixed with ethylene-vinyl acetate copolymer emulsion, must be formed a film
Base-material；
It takes the boric acid of formula ratio, pentaerythrite to be added in suitable quantity of water, the guanylurea phosphate of formula ratio is added after being uniformly dispersed, is gathered
Ammonium phosphate, melamine, be uniformly dispersed to obtain expandable flame retardant premix；
It takes the sulfonation charcoal, zinc borate and ammonium octamolybdate of formula ratio to be added in suitable quantity of water, synergistic is obtained after being uniformly dispersed and presses down cigarette premix；
The film coalescing aid of formula ratio is taken to be added in suitable quantity of water, be uniformly dispersed to obtain auxiliary agent premix；
Take formula ratio pigments and fillers be added suitable quantity of water in, be uniformly dispersed face fills out premix；
2) expandable flame retardant premix obtained by step 1) is mixed with synergistic suppression cigarette premix, smoke-inhibiting flame retardant premix is obtained after being uniformly dispersed
Material；
3) face obtained by step 1) is first filled out premix to mix with auxiliary agent premix, suppression cigarette resistance obtained by step 2) is added after being uniformly dispersed
Premix is fired, mix again with film forming binder after being uniformly dispersed, adjustment solid content is simultaneously uniformly dispersed to get the wood materials with swollen
Swollen type water-based fireproof anti-flaming dope.
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| CN112251103A (en) * | 2020-11-02 | 2021-01-22 | 佛山市协通橡塑制品有限公司 | Running board bottom coating, preparation method thereof and running board |
| WO2022122797A1 (en) * | 2020-12-09 | 2022-06-16 | Ecochem International Nv | Use of non-halogen fire retardant composition for indirect fire protection layers on substrates |
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